去氢紫堇碱标准品Dehydrocorydaline Nitrate Standard？

< >黄豆黄素glycitein, from soybean

< >grade：for biochemistry
贮藏温度：2-10c
summary
this product is for research use only. do not administer it to human.
olyphenol - soybean extract
molecular formula c16h12o5
molecular weight 284.26
urity：98.0+% (hplc)

< >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
黄豆黄甙glycitin, from soybean

< >产地：日本
grade：for biochemistry
贮藏温度：2-10c
summary
this product is for research use only. do not administer it to human.
olyphenol - soybean extract
molecular formula c22h22o10
molecular weight 446.40
urity：98.0+% (hplc)

< >伊普瑞斯科技有限公司

info
010-60206266 / 6773

< >乌头碱标品aconitine standard

< >产地：日本
grade: for crude drugs determination
regulation / hazardous: un: class 6.1 - toxic
storage condition: keep at 2-10 degrees c.
规格：20mg

< > urity: 99.0+% (hplc)
toxicity: ld50 (mus, orl) 1 mg/kg ; ld50 (mus, ivn) 0.175 mg/kg, exp.
melting point: 202 - 203 degrees c
204 degrees c
specific rotation: +19 (d) (chcl3)
molecular formula：c34h47no11
molecular weight：645.75
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新乌头碱hypaconitine

< >产地：日本
grade：for crude drugs determination
规格：20mg
summary
this product is for research use only. do not administer it to human.
molecular formula c33h45no10
molecular weight 615.72
urity：98.0+% (hplc)
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次乌头碱mesaconitine

< >产地：日本
grade：for crude drugs determination
规格：20mg
summary
this product is for research use only. do not administer it to human.
molecular formula c33h45no11
molecular weight 631.72
urity：98.0+% (hplc)
melting point：208 - 209 degrees c (dec.)
specific rotation：+25.4 (d/17degrees c) (chcl3)
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伊普瑞斯科技有限公司

info
010-60206266 / 6773

< >野百合碱crotaline
产地：日本

grade: wako 1st grade
regulation / hazardous: un: class 6.1 - toxic
storage condition: keep at rt.
manufacturer: wako

< > urity: 95.0+% (hplc)
toxicity: ld50 (rat, orl) 66 mg/kg.
melting point: 202 - 203 degrees c (197 - 198 degrees c dec.)
specific rotation: -54.7 (d/26degrees c) (chcl3)

< >伊普瑞斯科技有限公司

info
010-60206266 / 6773

< >山梨糖醇脱氢酶
sorbitol dehydrogenase, from microorganism

< >产地：日本
grade: for biochemistry
storage condition: keep at -20 degrees c.
cat. no.199-12391
kg. size: 50 units
summary

this product is for research use only. do not administer it to human.

< >for research on diabetic complications & for accurate quantification of sorbitol

< >sorbitol dehydrogenase is an essential enzyme involved in polyol metabolism. sorbitol dehydrogenase, isolated from microorganisms, is characterized by its high substrate specificity and it degrades d-sorbitol, used as a substrate, into fructose. it is believed that diabetic complications are caused by sorbitol accumulation. the conventional enzymes on the market react with sugars other than sorbitol; however, sorbitol dehydrogenase with high substrate specificity enables accurate quantification of sorbitol.

< >when reacted with typical sugars as substrates including glucose, mannitol, and galactose (at 0.5 mol/l concentration) independently or in a mixture, the absorbance did not change, proving high substrate specificity of sorbitol dehydrogenase. sorbitol dehydrogenase is useful not only in research aggravation mechanism of complications but also in sorbitol quantification in foods.

< >activity: 40 - 60units/vial
molecular weight 68kda

< >伊普瑞斯科技有限公司

info
010-60206266 / 6773

< >骆驼蓬碱harmaline
产地：日本

< >grade: wako 1st grade
regulation / hazardous:
storage condition: keep below 25 degrees c.
manufacturer: wako
molecular formula c13h14n2o
molecular weight 214.27
appearance: slightly yellow - yellowish brown, crystalline powder - powder
urity: 98.0+% (titration)
toxicity: ld50 (rat, scu) 120 mg/kg.
melting point: 239 - 240 degrees c (dec.)
250 - 251 degrees c (227 - 229 degrees c)

< >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
去甲骆驼蓬碱，骆驼蓬酚harmalol

< >产地：日本
grade: practical grade
molecular formula c12h12n2o.hcl.2h2o
molecular weight 272.73
urity: 97.0+% (titration)
melting point: 264 - 267 degrees c (dec.)

< >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
去氢骆驼蓬碱harmine

< >产地：日本
grade：wako 1st grade
molecular formula c13h12n2o
molecular weight 212.25
appearance: white - slightly yellow - crystals - crystalline powder
urity: 98.0+% (titration)
toxicity: ld50 (mus, scu) 243 mg/kg.
melting point: 256 - 257 degrees c
264 - 265 degrees c (257 - 259 degrees c)

< >伊普瑞斯科技有限公司

info
010-60206266 / 6773